@@ -9,21 +9,20 @@ title: Mediatek Universal Flash Storage (UFS) Controller
maintainers:
- Stanley Chu <stanley.chu@mediatek.com>
-allOf:
- - $ref: ufs-common.yaml
-
properties:
compatible:
enum:
- mediatek,mt8183-ufshci
- mediatek,mt8192-ufshci
+ - mediatek,mt8195-ufshci
clocks:
- maxItems: 1
+ minItems: 1
+ maxItems: 8
clock-names:
- items:
- - const: ufs
+ minItems: 1
+ maxItems: 8
phys:
maxItems: 1
@@ -33,6 +32,11 @@ properties:
vcc-supply: true
+ mediatek,ufs-disable-mcq:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description: The mask to disable MCQ (Multi-Circular Queue) for UFS host.
+ type: boolean
+
required:
- compatible
- clocks
@@ -43,6 +47,39 @@ required:
unevaluatedProperties: false
+allOf:
+ - $ref: ufs-common.yaml
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - mediatek,mt8195-ufshci
+ then:
+ properties:
+ clocks:
+ minItems: 8
+ maxItems: 8
+ clock-names:
+ items:
+ - const: ufs
+ - const: ufs_aes
+ - const: ufs_tick
+ - const: unipro_sysclk
+ - const: unipro_tick
+ - const: unipro_mp_bclk
+ - const: ufs_tx_symbol
+ - const: ufs_mem_sub
+ else:
+ properties:
+ clocks:
+ minItems: 1
+ maxItems: 1
+ clock-names:
+ items:
+ - const: ufs
+
examples:
- |
#include <dt-bindings/clock/mt8183-clk.h>
Add 'mediatek,mt8195-ufshci' to compatible list. Update clocks and clock-names constraints to allow one to eight entries. Introduce 'mediatek,ufs-disable-mcq' property to disable MCQ (Multi-Circular Queue). Update conditional schema for mt8195 requiring eight 'clocks' and eight 'clock-names'. Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com> --- .../devicetree/bindings/ufs/mediatek,ufs.yaml | 49 ++++++++++++++++--- 1 file changed, 43 insertions(+), 6 deletions(-)